The way they attempt to achieve this is through adhering to three robotics principles: Technique, Brain and Sense. The concept 'Sense' just means that they engineer their chairs so that they are responsive to the user's needs.

You come home after a long day at work. You are tired, maybe a little stressed. Relaxing would be nice option or even better yet, how about a massage? Unfortunately, my house did not come with masseuse service. However, there is another option: A shiatsu massage chair. There is no appointment necessary, all you have to do is sit down, get comfortable, lean back, put the footrest up and push the start button. Ah, that feels great!